Luobin,
I was just working through some of this theory myself. Priscilla
makes a good point. However I believe on pages 526-545 you'll find a good
example and explanition of your problem. Basically since routerA is an ABR
that is also and ASBR it will advertise external routes into a NSSA with
type 7 LSAs. In his(Doyles)example the command:
area 2 nssa "no-redistribution"
will no longer contain routes learned from type 7 LSAs.
As I said those pages should make this pretty clear..
HTH
Nigel.
>From: luobin Yang <[EMAIL PROTECTED]>
>Reply-To: luobin Yang <[EMAIL PROTECTED]>
>To: [EMAIL PROTECTED]
>Subject: Why External type 5 LSA is distributed to a totally stubby area ?
>Date: Tue, 12 Sep 2000 15:55:22 -0500
>
>Dear group,
>
>I have such a scenerio:
>
>RouterB is connected to RouterA using Serial 0, RouterC is connected to
>RouterA using Serial 1. Interface E0 of Router A is configured as Area
>0, Serial0(to RouterC) of RouterA is configured as Area 2 (nssa area) ,
>Serial1(to RouterB) of RouterA is configured as Area 1 (totally stubby
>area ).
>
>On routerC, I configured OSPF and EIGRP, Serial 1(to RouterA) is running
>OSPF and belongs to area 2 which is a NSSA. E0 is running EIGRP. If I
>redistribute network of E0 ( for example 172.16.30.0 ) from EIGRP to
>OSPF, I found 172.16.30.0 is redistributed to Area 1 which is a totally
>stubby area.
>
>Does anybody know the reason why?
>
>Thanks a lot!
>Luobin
>
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